New approach to treatment of the ishaemic insult (IsI) was developed in the frame of the conception of nootropic stimulation, which include carrying out of nootropic agent (piracetam) with melaxen (analog of endogenous melatonin). For complex estimation condition of patient after IsI before treatment and after application of piracetam with melaxen methods of the quantitative analysis of EEG with the using of the multispectral indices, computed as ratio of the changing weight coefficients of spectral power in the different ranges of analysed EEG durig processes of the treatment of the patients with IsI.